THRUSH S2R – G10 Maintenance Manual page 35

AIRCRAFT MAINTENANCE MANUAL
F. AIRFRAME FUEL SYSTEM
Remove, inspect, clean, and re-install the
1.
airframe main 25-micron fuel strainer.
On new aircraft, check the firewall fuel filter
after each flight until there is no evidence of
contamination. Check the filter after the first
flight or ground run when any upstream
component is replaced.
Using a suitable container, drain each wing tank,
header tank, airframe fuel filter bowl, and vent
2. system drains (2 ea.). Check for any debris,
sediment, or water and take corrective action if
any is found.
Check the fuel boost pump for security and
3.
upstream fuel leakage.
Turn the fuel boost pump on and to check
4.
operation and the downstream fuel lines for leaks.
Check boost pump seals by observing overboard
5. drain while pump is running and has the fuel
system pressurized.
Inspect the fuel lines and supports for security and
6.
signs of chafing.
Check the fuel tank gauges for proper operation.
7. Rock the wings to slosh the fuel to see that the
pointers are free.
Check the fuel shutoff valve for leaks in both the
8.
open and closed positions. Ensure smooth valve
handle operation and lock-out function.
Check tightness of all fittings (tank and line
9.
connections) and appropriate use of safety wire.
10. Check header tank for security, leaks and chafing.
When a problem is found, refer to section 5.
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THRUSH AIRCRAFT, INC – MODEL S2R-G10
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Effective 03/26/2010